Nema 17 Stepper Motor L=39mm Gear Ratio 50:1 High Precision Planetary Gearbox

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SKU: 17HS15-1684S-HG50
$52.11

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This Nema 17 stepper motor with 39mm body and 1.68A rated current, integrated with a 48.3mm Planetary gearbox of 50:1 gear ratio. It's a good solution to applications that with special space but need low speed and/or high torque.

Electrical Specification

  • Manufacturer Part Number: 17HS15-1684S-HG50
  • Motor Type: Bipolar Stepper
  • Step Angle: 0.036 deg
  • Holding Torque without Gearbox: 39Ncm(55oz.in)
  • Rated Current/phase: 1.68A
  • Phase Resistance: 1.6ohms
  • Voltage: 2.7V
  • Inductance: 3.2mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type: Planetary
  • Gear Ratio: 50 : 1
  • Efficiency: 90%
  • Backlash at No-load: <=25 arcmin
  • Max. Permissible Torque: 15Nm(2124oz.in)
  • Moment Permissible Torque: 25Nm(3540oz.in)
  • Max. Radial Load: 150N
  • Ambient Temperature: -10 - 90℃
  • Insulation Class: B
  • Noise: <=50 dB
  • Life: 20000 h

Physical Specifications

  • Frame Size: 42 x 42mm
  • Motor Length: 39mm
  • Gearbox Length: 48.3mm
  • Shaft Diameter: Φ8mm
  • Shaft Length: 23.5mm
  • Key-way Length: 14mm
  • Number of Leads: 4
  • Lead Length: 320mm
  • Weight: 880g

Connection

A+
A-
B+
B-
Black
Green
Red
Blue

Resources

Gearbox Specification
Efficiency 90%
Gear Ratio 50:1
Gearbox Length(mm) 48.3
Gearbox Type Planetary
Max. Permissible Torque(Ncm) 1500
Max. Permissible Torque(oz.in) 2124.2
Moment Permissible Torque(Ncm) 2500
Moment Permissible Torque(oz.in) 3540.3
Shaft Maximum Radial Load(N) 150
Backlash at No-load(arcmin) ≤25
Motor Specification
Inductance(mH) 3.2
Lead Length(mm) 320
Motor Nema Size Nema 17
No. of Lead 4
Phase Resistance(ohm) 1.6
Rated Current(A) 1.68
Shaft Diameter(mm) 8
Shaft Length(mm) 23.5
Bipolar/Unipolar Bipolar
Holding Torque w/o Gearbox(Ncm) 39
Holding Torque w/o Gearbox(oz.in) 55.23
Motor Length(mm) 39
Single Shaft/Dual Shaft Single Shaft
Shaft Type Key-way
Physical Specification
Weight(g) 880

Reviews Over Nema 17 Stepper Motor L=39mm Gear Ratio 50:1 High Precision Planetary Gearbox

Total Reviews (1)
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Top Customer Reviews
1
5/5
PG 50:1
Precision Gears from Stepper Online arrived promptly and neatly packaged as shown in the pictures below.

I am able to use with Arduino and will work with almost all stepper drivers

Much stronger and better holding torque and strength compared to economy planetary. Great value for money. Shaft comes with key way for stronger connection and coupling.

Stainless steel shaft have provided the product with longer durability.

My project to build a robotic arm is greatly complemented by the 50:1 gear ratio and precision gives stability.

Able to hold the torque as described and size was reasonable, really compact considering large gear ratio included.
Maximilien Lim
15/05/2018

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